Internal connectors Asus prime Asus M3A78-EH

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ASUS M3A78-EH

1-29

1.10.2  Internal connectors

1.  Floppy disk drive connector (34-1 pin FLOPPY)

This connector is for the provided floppy disk drive (FDD) signal cable. Insert 

one end of the cable to this connector, then connect the other end to the 

signal connector at the back of the floppy disk drive.

Pin 5 on the connector is removed to prevent incorrect cable connection when 

using an FDD cable with a covered Pin 5.

R

M3A78-EH

M3A78-EH 

Floppy Disk Drive Connector

NOTE: Orient the red markings on

the floppy ribbon cable to PIN 1.

PIN1

FLOPPY

2.  Optical drive audio in connector (4-pin CD)

This connector allows you to receive stereo audio input from sound sources 

such as a CD-ROM, TV tuner, or MPEG card. 

R

M3A78-EH

M3A78-EH Internal Audio Connector

CD

(black)

Right

Audio Channel

Lef

tA

udio Channel

Ground Ground